---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8249 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 655 9520 4 5813 14991 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:ae:29:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.71/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81024sec preferred_lft 81024sec inet6 fe80::f816:3eff:feae:29f7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:12:26:b4:ab:83 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-8249) 04/26/26 _x86_64_ (4 CPU) 16:14:29 LINUX RESTART (4 CPU) 16:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:30:02 1.32 0.01 1.31 0.01 0.04 15.60 216.72 16:40:01 1.08 0.00 1.08 0.00 0.00 13.06 0.00 16:50:12 1.21 0.00 1.21 0.00 0.00 14.65 0.00 17:00:12 1.16 0.00 1.16 0.00 0.00 13.59 0.00 17:10:01 14.18 0.00 1.18 13.00 0.15 13.57 247604.32 17:20:12 1.34 0.00 1.34 0.00 0.00 15.38 0.00 17:30:01 1.77 0.25 1.52 0.00 9.09 33.89 0.00 17:40:00 62.55 4.50 55.54 2.51 270.19 10489.72 13345.98 Average: 10.54 0.59 8.04 1.91 34.88 1324.95 32081.87 16:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:30:02 13791800 15539824 479252 2.93 53832 1921120 1136488 6.52 192400 2143636 40 16:40:01 13791296 15539644 479408 2.93 54128 1921128 1136488 6.52 192700 2145060 16 16:50:12 13790040 15538784 480244 2.93 54520 1921136 1136488 6.52 193084 2145768 48 17:00:12 13787016 15536084 483044 2.95 54856 1921140 1136740 6.52 193416 2153020 44 17:10:01 13781748 15536156 482828 2.95 55460 1925848 1136744 6.52 198800 2153148 212 17:20:12 13781748 15536624 482324 2.95 55844 1925924 1136744 6.52 199184 2153068 24 17:30:01 13766460 15529540 489132 2.99 56448 1933664 1141900 6.55 200828 2173380 280 17:40:00 8715036 13451132 2504716 15.30 135424 4691616 2600660 14.93 1126324 6117780 4368 Average: 13150643 15275974 735118 4.49 65064 2270197 1320282 7.58 312092 2648108 629 16:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:30:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:30:02 ens3 0.22 0.08 0.04 0.02 0.00 0.00 0.00 0.00 16:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:40:01 ens3 0.29 0.11 0.07 0.04 0.00 0.00 0.00 0.00 16:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:50:12 ens3 0.20 0.08 0.05 0.02 0.00 0.00 0.00 0.00 16:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:00:12 ens3 1.40 0.98 0.32 0.87 0.00 0.00 0.00 0.00 17:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:10:01 ens3 0.23 0.07 0.04 0.02 0.00 0.00 0.00 0.00 17:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:20:12 ens3 0.23 0.08 0.05 0.02 0.00 0.00 0.00 0.00 17:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:30:01 ens3 4.16 2.52 10.14 0.75 0.00 0.00 0.00 0.00 17:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:00 lo 803.53 803.53 765.69 765.69 0.00 0.00 0.00 0.00 17:40:00 ens3 145.72 112.57 1330.07 23.23 0.00 0.00 0.00 0.00 17:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 100.44 100.44 95.63 95.63 0.00 0.00 0.00 0.00 Average: ens3 19.03 14.54 167.42 3.11 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-8249) 04/26/26 _x86_64_ (4 CPU) 16:14:29 LINUX RESTART (4 CPU) 16:20:02 CPU %user %nice %system %iowait %steal %idle 16:30:02 all 0.13 0.00 0.02 0.01 0.02 99.82 16:30:02 0 0.02 0.00 0.01 0.02 0.01 99.94 16:30:02 1 0.02 0.00 0.02 0.00 0.02 99.94 16:30:02 2 0.02 0.00 0.02 0.01 0.02 99.93 16:30:02 3 0.45 0.00 0.03 0.00 0.02 99.49 16:40:01 all 0.10 0.00 0.02 0.01 0.02 99.86 16:40:01 0 0.03 0.00 0.02 0.00 0.02 99.94 16:40:01 1 0.14 0.00 0.02 0.00 0.02 99.82 16:40:01 2 0.03 0.00 0.03 0.02 0.03 99.89 16:40:01 3 0.20 0.00 0.01 0.00 0.02 99.78 16:50:12 all 0.05 0.00 0.02 0.01 0.02 99.91 16:50:12 0 0.02 0.00 0.02 0.00 0.01 99.94 16:50:12 1 0.01 0.00 0.01 0.01 0.01 99.96 16:50:12 2 0.14 0.00 0.01 0.02 0.02 99.80 16:50:12 3 0.02 0.00 0.03 0.00 0.02 99.92 17:00:12 all 0.04 0.00 0.02 0.01 0.02 99.92 17:00:12 0 0.02 0.00 0.02 0.01 0.01 99.94 17:00:12 1 0.02 0.00 0.01 0.01 0.01 99.95 17:00:12 2 0.06 0.00 0.02 0.01 0.02 99.89 17:00:12 3 0.04 0.00 0.03 0.00 0.03 99.90 17:10:01 all 0.02 0.00 0.03 0.02 0.02 99.91 17:10:01 0 0.01 0.00 0.01 0.00 0.01 99.96 17:10:01 1 0.01 0.00 0.02 0.02 0.01 99.94 17:10:01 2 0.04 0.00 0.04 0.07 0.02 99.83 17:10:01 3 0.02 0.00 0.04 0.00 0.03 99.92 17:20:12 all 0.11 0.00 0.02 0.01 0.02 99.84 17:20:12 0 0.39 0.00 0.01 0.00 0.01 99.59 17:20:12 1 0.02 0.00 0.02 0.02 0.02 99.92 17:20:12 2 0.03 0.00 0.03 0.00 0.03 99.90 17:20:12 3 0.01 0.00 0.01 0.00 0.01 99.96 17:30:01 all 0.09 0.00 0.02 0.01 0.02 99.86 17:30:01 0 0.17 0.00 0.02 0.00 0.02 99.80 17:30:01 1 0.07 0.00 0.02 0.03 0.02 99.86 17:30:01 2 0.07 0.00 0.04 0.01 0.03 99.87 17:30:01 3 0.07 0.00 0.02 0.00 0.01 99.90 17:40:00 all 49.97 0.00 2.10 0.33 0.08 47.51 17:40:00 0 48.54 0.00 2.00 0.21 0.07 49.18 17:40:00 1 53.23 0.00 2.18 0.72 0.08 43.80 17:40:00 2 47.59 0.00 2.00 0.28 0.08 50.04 17:40:00 3 50.53 0.00 2.23 0.13 0.08 47.03 Average: all 6.29 0.00 0.28 0.05 0.03 93.35 Average: 0 6.14 0.00 0.26 0.03 0.02 93.55 Average: 1 6.66 0.00 0.29 0.10 0.02 92.92 Average: 2 5.97 0.00 0.27 0.05 0.03 93.67 Average: 3 6.39 0.00 0.30 0.02 0.03 93.26